pinephone issues with gtk4, keyboard

Issues currently affecting the PinePhone on postmarketOS edge.

• gtk4 apps crash on launch (half the time?): pma#1510

  • workaround in pma!3122

• Pinephone keyboard: problems with top row keys: pma#1515

  • workaround in pma!3114 but needs more work, help wanted if you're affected by this.